package it.cums.core;

import java.io.File;
import java.net.URL;
import java.util.Collections;

import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;

/**
 * The activator class controls the plug-in life cycle
 */
public class Activator extends AbstractUIPlugin {

	// The plug-in ID
	public static final String PLUGIN_ID = "it.cums.core";

	// The shared instance
	private static Activator plugin;
	
	/**
	 * The constructor
	 */
	public Activator() {
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#start(org.osgi.framework.BundleContext)
	 */
	public void start(BundleContext context) throws Exception {
		super.start(context);
		plugin = this;
	}

	/*
	 * (non-Javadoc)
	 * @see org.eclipse.ui.plugin.AbstractUIPlugin#stop(org.osgi.framework.BundleContext)
	 */
	public void stop(BundleContext context) throws Exception {
		plugin = null;
		super.stop(context);
	}

	/**
	 * Returns the shared instance
	 *
	 * @return the shared instance
	 */
	public static Activator getDefault() {
		return plugin;
	}

	public static File getFile(String filePath) {
		Bundle bundle = Activator.getDefault().getBundle();
		Path path = new Path(filePath);
		URL url = FileLocator.find(bundle, path, Collections.EMPTY_MAP);
		URL fileUrl = null;
		try {
			fileUrl = FileLocator.toFileURL(url);
		} catch (Exception e) {
			// Will happen if the file cannot be read for some reason
			e.printStackTrace();
		}
		return new File(fileUrl.getPath());
	}
	
	/**
	   * Log an Error Message.
	   *
	   * @param msg The message to log as Error.
	   * @param e The occurring Exception to log.
	   */
	  public void logError(String msg, Exception e) {
	    if (msg == null) {
	      msg = "";
	    }
	    getLog().log(new Status(IStatus.ERROR, getBundle().getSymbolicName(), IStatus.ERROR, msg, e));
	  }
}
